/*
Theme Name: BlogNF
Theme URI: https://blognf.com
Author: Víctor Navarro
Description: Tema hijo de Twenty Twenty-One para BlogNF. Identidad visual propia (tipografía Atkinson Hyperlegible Next/Mono autoalojada, paleta y componentes), accesibilidad WCAG 2.2 AA. Sin page builders: todo el diseño vive en el código de este tema.
Template: twentytwentyone
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: blognf
*/

:root {
	--color-bg: #FAFAF7;
	--color-surface: #FFFFFF;

	--color-text: #171717;
	--color-text-muted: #525252;

	--color-brand: #A62E0D;
	--color-brand-hover: #7D230A;
	--color-brand-soft: #F6EAE6;

	--color-border: #D6D6D0;
	--color-border-strong: #767676;

	--color-focus: #005A9C;

	--color-code-bg: #111315;
	--color-code-text: #F5F5F5;

	--font-sans: "Atkinson Hyperlegible Next", Arial, sans-serif;
	--font-mono: "Atkinson Hyperlegible Mono", monospace;

	--content-width: 47.5rem;
	--site-width: 75rem;

	--radius: 0.375rem;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	background: var(--color-bg);
	color: var(--color-text);
	font-family: var(--font-sans);
	font-size: 1.125rem;
	line-height: 1.65;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

main {
	flex: 1 0 auto;
}

img {
	max-width: 100%;
	height: auto;
	border-radius: 0.375rem;
}

code,
kbd,
pre,
samp {
	font-family: var(--font-mono);
}

/* Movimiento: sin animaciones decorativas permanentes; transiciones breves respetando la preferencia del usuario. */
@media (prefers-reduced-motion: no-preference) {
	a,
	button,
	.boton,
	.boton-secundario {
		transition: color 150ms ease, background-color 150ms ease, border-color 150ms ease;
	}
}

@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		animation-duration: 0.001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.001ms !important;
		scroll-behavior: auto !important;
	}
}

/* Selección de texto */
::selection {
	background: var(--color-brand);
	color: #FFFFFF;
}

/* Foco de teclado visible en todo elemento interactivo. Nunca "outline: none" sin sustituto. */
:focus-visible {
	outline: 3px solid var(--color-focus);
	outline-offset: 3px;
}

/* Enlace "Saltar al contenido": primer elemento del DOM, oculto hasta recibir foco. */
.skip-link {
	position: absolute;
	top: -100px;
	left: 0;
	z-index: 100;
	padding: 12px 20px;
	background: var(--color-text);
	color: #FFFFFF;
	font-weight: 700;
	text-decoration: none;
	border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
	top: 0;
}

/* Contenedores */
.contenedor {
	max-width: var(--site-width);
	margin: 0 auto;
	padding: 0 40px;
}

@media (max-width: 900px) {
	.contenedor {
		padding: 0 32px;
	}
}

@media (max-width: 600px) {
	.contenedor {
		padding: 0 24px;
	}
}

@media (max-width: 360px) {
	.contenedor {
		padding: 0 20px;
	}
}

/* ==========================================================================
   Cabecera global
   ========================================================================== */

.site-header {
	background: var(--color-bg);
	border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	height: 72px;
}

@media (max-width: 600px) {
	.site-header__inner {
		height: 64px;
	}
}

.site-logo {
	display: inline-flex;
	align-items: center;
}

.site-logo svg {
	display: block;
	height: 40px;
	width: auto;
}

@media (max-width: 900px) {
	.site-logo svg {
		height: 36px;
	}
}

@media (max-width: 600px) {
	.site-logo svg {
		height: 32px;
	}
}

.nav-principal {
	display: flex;
	align-items: center;
}

.nav-principal ul {
	display: flex;
	align-items: center;
	gap: 28px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.nav-principal a {
	display: inline-block;
	padding: 4px 2px;
	color: var(--color-text);
	font-size: 1rem;
	font-weight: 600;
	text-decoration: none;
	border-bottom: 3px solid transparent;
}

.nav-principal a:hover {
	color: var(--color-brand);
}

.nav-principal a[aria-current="page"] {
	font-weight: 700;
	border-bottom-color: var(--color-brand);
}

@media (max-width: 700px) {
	.nav-principal ul {
		display: none;
	}
}

.boton-menu-movil {
	display: none;
	align-items: center;
	gap: 8px;
	min-width: 48px;
	min-height: 48px;
	padding: 0 12px;
	background: transparent;
	border: 2px solid var(--color-text);
	border-radius: var(--radius);
	color: var(--color-text);
	font-family: var(--font-sans);
	font-size: 1rem;
	font-weight: 600;
	cursor: pointer;
}

@media (max-width: 700px) {
	.boton-menu-movil {
		display: inline-flex;
	}
}

.boton-menu-movil svg {
	width: 20px;
	height: 20px;
}

.menu-movil {
	display: none;
	border-top: 1px solid var(--color-border);
	background: var(--color-bg);
}

.menu-movil.esta-abierto {
	display: block;
}

.menu-movil ul {
	list-style: none;
	margin: 0;
	padding: 16px 0;
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.menu-movil a {
	display: block;
	padding: 12px 4px;
	min-height: 48px;
	color: var(--color-text);
	font-weight: 600;
	text-decoration: none;
}

.menu-movil a[aria-current="page"] {
	color: var(--color-brand);
	font-weight: 700;
}

@media (min-width: 701px) {
	.menu-movil {
		display: none !important;
	}
}

/* ==========================================================================
   Footer global
   ========================================================================== */

.site-footer {
	background: var(--color-text);
	color: #FFFFFF;
	padding: 64px 0;
}

@media (max-width: 600px) {
	.site-footer {
		padding: 48px 0;
	}
}

.site-footer a {
	color: #FFFFFF;
	text-decoration: underline;
	text-decoration-thickness: 1px;
}

.site-footer a:hover {
	color: #FFFFFF;
	text-decoration-thickness: 2px;
}

.site-footer__columnas {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 32px;
	margin-bottom: 40px;
}

@media (max-width: 700px) {
	.site-footer__columnas {
		grid-template-columns: 1fr;
		gap: 24px;
	}
}

.site-footer__columnas h2 {
	font-size: 1rem;
	font-weight: 700;
	margin: 0 0 12px;
}

.site-footer__columnas ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 8px;
	font-size: 15px;
}

.site-footer__copy {
	font-size: 15px;
	line-height: 1.55;
	color: #E5E5E5;
	border-top: 1px solid #3A3A3A;
	padding-top: 24px;
}

/* ==========================================================================
   Botones y enlaces
   ========================================================================== */

a {
	color: var(--color-brand);
	text-decoration-thickness: 2px;
	text-underline-offset: 3px;
}

a:hover {
	color: var(--color-brand-hover);
	text-decoration-thickness: 3px;
}

.boton,
.boton-secundario {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 48px;
	padding: 12px 18px;
	border-radius: 6px;
	font-family: var(--font-sans);
	font-size: 1rem;
	font-weight: 700;
	text-decoration: none;
	cursor: pointer;
}

.boton {
	background: var(--color-brand);
	color: #FFFFFF;
	border: none;
}

.boton:hover {
	background: var(--color-brand-hover);
	color: #FFFFFF;
}

.boton-secundario {
	background: #FFFFFF;
	color: var(--color-text);
	border: 2px solid var(--color-text);
}

.boton-secundario:hover {
	background: var(--color-brand-soft);
}

.enlace-secundario {
	font-weight: 600;
	text-decoration-thickness: 2px;
}

/* ==========================================================================
   Hero (home)
   ========================================================================== */

.hero {
	background: var(--color-bg);
	padding: 96px 0 88px;
}

.hero__eyebrow {
	margin: 0 0 16px;
	font-size: 14px;
	font-weight: 700;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	color: var(--color-brand);
}

.hero__titulo {
	max-width: 850px;
	margin: 0;
	font-size: 3.5rem;
	font-weight: 800;
	line-height: 1.08;
}

.hero__texto {
	max-width: 720px;
	margin: 24px 0 0;
	font-size: 1.25rem;
	line-height: 1.6;
	color: var(--color-text-muted);
}

.hero__acciones {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 24px;
	margin-top: 32px;
}

@media (max-width: 900px) {
	.hero__titulo {
		font-size: 2.5rem;
	}
}

@media (max-width: 600px) {
	.hero {
		padding: 64px 0 56px;
	}

	.hero__titulo {
		font-size: 2.25rem;
	}
}

/* ==========================================================================
   Últimos tutoriales / listados / tarjetas
   ========================================================================== */

.seccion-ultimos-tutoriales {
	background: var(--color-surface);
	padding: 80px 0;
}

.encabezado-seccion {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 40px;
}

.encabezado-seccion h2 {
	margin: 0;
}

@media (max-width: 600px) {
	.encabezado-seccion {
		flex-direction: column;
		align-items: flex-start;
		gap: 8px;
	}
}

.grid-tutoriales {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 32px;
}

@media (max-width: 700px) {
	.grid-tutoriales {
		grid-template-columns: 1fr;
	}
}

.tarjeta-tutorial {
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: 8px;
	padding: 24px;
}

.tarjeta-tutorial__categoria {
	margin: 0 0 8px;
	font-size: 14px;
	font-weight: 700;
}

.tarjeta-tutorial__categoria a {
	text-decoration: none;
}

.tarjeta-tutorial__categoria a:hover {
	text-decoration: underline;
}

.tarjeta-tutorial__titulo {
	margin: 0 0 8px;
	font-size: 1.375rem;
	font-weight: 700;
	line-height: 1.25;
}

.tarjeta-tutorial__titulo a {
	color: var(--color-text);
	text-decoration: none;
}

.tarjeta-tutorial__titulo a:hover,
.tarjeta-tutorial__titulo a:focus-visible {
	color: var(--color-text);
	text-decoration: underline;
	text-decoration-thickness: 2px;
}

.tarjeta-tutorial__extracto {
	margin: 0 0 12px;
	font-size: 1rem;
	line-height: 1.55;
	color: var(--color-text-muted);
}

.tarjeta-tutorial__fecha {
	margin: 0;
	font-size: 14px;
	color: var(--color-text-muted);
}

/* ==========================================================================
   Explorar por temas
   ========================================================================== */

.seccion-categorias {
	background: var(--color-bg);
	padding: 80px 0;
}

.seccion-categorias__texto {
	margin: 8px 0 32px;
	color: var(--color-text-muted);
}

.grid-categorias {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}

@media (max-width: 900px) {
	.grid-categorias {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 600px) {
	.grid-categorias {
		grid-template-columns: 1fr;
	}
}

.tarjeta-categoria {
	display: flex;
	flex-direction: column;
	gap: 4px;
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: 8px;
	padding: 24px;
	color: var(--color-text);
	text-decoration: none;
}

.tarjeta-categoria:hover {
	color: var(--color-text);
	border-color: var(--color-border-strong);
}

.tarjeta-categoria__titulo {
	font-size: 1.25rem;
	font-weight: 700;
}

.tarjeta-categoria__cantidad {
	font-size: 14px;
	color: var(--color-text-muted);
}

/* ==========================================================================
   Sobre Víctor (home)
   ========================================================================== */

.seccion-sobre-victor {
	background: var(--color-surface);
	padding: 80px 0;
}

.bloque-sobre-victor {
	max-width: 760px;
	margin: 0 auto;
	text-align: center;
}

.bloque-sobre-victor p {
	font-size: 1.0625rem;
	line-height: 1.6;
	color: var(--color-text-muted);
}

/* ==========================================================================
   Cabeceras de listado (Tutoriales / categoría / búsqueda)
   ========================================================================== */

.cabecera-listado {
	padding-top: 72px;
}

.cabecera-listado h1 {
	margin: 0;
}

.cabecera-listado__intro {
	max-width: 700px;
	margin-top: 12px;
	font-size: 1.0625rem;
	color: var(--color-text-muted);
}

.buscador-tutoriales {
	margin-top: 32px;
	max-width: 520px;
}

.formulario-buscar label {
	display: block;
	margin-bottom: 8px;
	font-weight: 600;
}

.formulario-buscar__fila {
	display: flex;
	gap: 12px;
}

.formulario-buscar input[type="search"] {
	flex: 1 1 auto;
	height: 52px;
	padding: 0 14px;
	border: 2px solid var(--color-border-strong);
	border-radius: 6px;
	font-family: var(--font-sans);
	font-size: 17px;
	color: var(--color-text);
	background: #FFFFFF;
}

@media (max-width: 600px) {
	.formulario-buscar__fila {
		flex-direction: column;
	}

	.formulario-buscar .boton {
		width: 100%;
	}
}

.filtro-categorias {
	margin-top: 40px;
}

.filtro-categorias h2 {
	font-size: 1rem;
	text-transform: uppercase;
	letter-spacing: 0.02em;
	margin-bottom: 12px;
}

.filtro-categorias ul {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 24px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.filtro-categorias a {
	font-weight: 600;
	text-decoration-thickness: 2px;
}

.filtro-categorias a[aria-current="page"] {
	color: var(--color-text);
	text-decoration: none;
	border-bottom: 3px solid var(--color-brand);
}

.listado-tutoriales,
.listado-resultados {
	margin-top: 48px;
	padding-bottom: 80px;
}

.lista-resultados {
	display: flex;
	flex-direction: column;
	gap: 32px;
	max-width: 760px;
}

/* Paginación */
.pagination,
.navigation.pagination {
	margin-top: 48px;
}

.nav-links {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
}

.page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	min-height: 44px;
	padding: 0 12px;
	border: 1px solid var(--color-border);
	border-radius: 6px;
	color: var(--color-text);
	text-decoration: none;
	font-weight: 600;
}

.page-numbers.current {
	background: var(--color-brand);
	border-color: var(--color-brand);
	color: #FFFFFF;
}

.page-numbers:hover:not(.current) {
	border-color: var(--color-border-strong);
}

/* ==========================================================================
   Migas de pan
   ========================================================================== */

.migas-de-pan {
	margin-bottom: 16px;
}

.migas-de-pan ol {
	display: flex;
	flex-wrap: wrap;
	gap: 4px;
	list-style: none;
	margin: 0;
	padding: 0;
	font-size: 14px;
	color: var(--color-text-muted);
}

.migas-de-pan li:not(:last-child)::after {
	content: "›";
	margin-left: 4px;
}

.migas-de-pan a {
	color: var(--color-text-muted);
}

/* ==========================================================================
   Tutorial individual
   ========================================================================== */

.tutorial__cabecera {
	max-width: 900px;
	padding-top: 40px;
}

.tutorial__categoria {
	margin: 40px 0 0;
	font-size: 14px;
	font-weight: 700;
}

.tutorial__categoria a {
	color: var(--color-brand);
}

.tutorial__titulo {
	margin-top: 12px;
	font-size: 3rem;
	font-weight: 800;
	line-height: 1.1;
}

.tutorial__entradilla {
	max-width: 760px;
	margin-top: 20px;
	font-size: 1.25rem;
	line-height: 1.6;
	color: var(--color-text-muted);
}

.tutorial__metadatos {
	margin-top: 24px;
	font-size: 15px;
	color: var(--color-text-muted);
}

.tutorial__imagen-destacada {
	margin-top: 40px;
}

.tutorial__imagen-destacada img {
	width: 100%;
	border-radius: 6px;
}

@media (max-width: 600px) {
	.tutorial__titulo {
		font-size: 2.25rem;
	}
}

.tutorial__contenido {
	margin-top: 48px;
}

.tutorial__separador {
	max-width: var(--content-width);
	margin: 64px auto 48px;
	border: none;
	border-top: 1px solid var(--color-border);
}

.tambien-interesa h2 {
	margin-bottom: 32px;
}

.contenedor-lectura {
	max-width: var(--content-width);
	margin-left: auto;
	margin-right: auto;
	padding-left: 40px;
	padding-right: 40px;
}

@media (max-width: 900px) {
	.contenedor-lectura {
		padding-left: 32px;
		padding-right: 32px;
	}
}

@media (max-width: 600px) {
	.contenedor-lectura {
		padding-left: 24px;
		padding-right: 24px;
	}
}

/* ==========================================================================
   Tabla de contenidos
   ========================================================================== */

.tabla-contenidos {
	max-width: var(--content-width);
	margin: 48px auto 0;
	padding: 24px;
	background: var(--color-brand-soft);
	border-left: 4px solid var(--color-brand);
	border-radius: 6px;
}

.tabla-contenidos h2 {
	margin: 0 0 12px;
	font-size: 1.375rem;
}

.tabla-contenidos ul {
	margin: 0;
	padding: 0;
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.tabla-contenidos a {
	font-size: 1rem;
}

.tabla-contenidos__sangrado {
	padding-left: 20px;
}

/* ==========================================================================
   Contenido editorial (artículo, páginas institucionales)
   ========================================================================== */

.contenido-editorial p,
.contenido-editorial ul,
.contenido-editorial ol,
.contenido-editorial table {
	font-size: 1.125rem;
	line-height: 1.65;
}

.contenido-editorial p {
	margin: 0 0 24px;
}

.contenido-editorial h2 {
	margin-top: 56px;
	margin-bottom: 20px;
	font-size: 2.125rem;
}

.contenido-editorial h3 {
	margin-top: 40px;
	margin-bottom: 16px;
	font-size: 1.75rem;
}

.contenido-editorial h4 {
	margin-top: 32px;
	margin-bottom: 12px;
	font-size: 1.375rem;
}

@media (max-width: 600px) {
	.contenido-editorial h2 {
		font-size: 1.875rem;
	}

	.contenido-editorial h3 {
		font-size: 1.5rem;
	}
}

.contenido-editorial ul,
.contenido-editorial ol {
	margin: 24px 0;
	padding-left: 28px;
}

.contenido-editorial li + li {
	margin-top: 8px;
}

.contenido-editorial blockquote {
	margin: 32px 0;
	padding: 8px 0 8px 24px;
	border-left: 4px solid var(--color-brand);
	font-size: 1.25rem;
	font-style: italic;
	color: var(--color-text);
}

.contenido-editorial figure {
	margin: 32px 0;
}

.contenido-editorial figcaption {
	margin-top: 8px;
	font-size: 14px;
	line-height: 1.5;
	color: var(--color-text-muted);
}

.contenido-editorial table {
	width: 100%;
	border-collapse: collapse;
	margin: 32px 0;
	border: 1px solid var(--color-border-strong);
}

.contenido-editorial th,
.contenido-editorial td {
	padding: 12px 16px;
	border: 1px solid var(--color-border-strong);
	text-align: left;
}

.contenido-editorial th {
	background: #F1F1ED;
	font-weight: 700;
}

.contenido-editorial .tabla-scroll {
	overflow-x: auto;
}

.contenido-editorial code {
	font-family: var(--font-mono);
	font-size: 0.95em;
	background: #F1EFEC;
	color: var(--color-text);
	padding: 2px 5px;
	border-radius: 4px;
}

.contenido-editorial pre {
	position: relative;
	margin: 32px 0;
	padding: 24px;
	background: var(--color-code-bg);
	color: var(--color-code-text);
	border-radius: 6px;
	overflow-x: auto;
	font-size: 16px;
	line-height: 1.6;
}

.contenido-editorial pre code {
	background: none;
	color: inherit;
	padding: 0;
	font-size: 1em;
}

@media (max-width: 600px) {
	.contenido-editorial pre {
		font-size: 15px;
	}
}

.boton-copiar {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	min-height: 44px;
	margin-bottom: 12px;
	padding: 0 16px;
	background: #2A2D31;
	color: #FFFFFF;
	border: 1px solid #3A3D41;
	border-radius: 6px;
	font-family: var(--font-sans);
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
}

.boton-copiar:hover {
	background: #34383D;
}

/* Bloques informativos: nota, advertencia, error, resultado */
.bloque-informativo {
	margin: 32px 0;
	padding: 20px 24px;
	border-left: 4px solid;
	border-radius: 6px;
}

.bloque-informativo p:last-child {
	margin-bottom: 0;
}

.bloque-informativo__etiqueta {
	display: flex;
	align-items: center;
	gap: 8px;
	margin: 0 0 8px;
	font-weight: 700;
}

.bloque-nota {
	background: #EAF4FB;
	border-color: #005A9C;
}

.bloque-importante {
	background: #FFF4D6;
	border-color: #7A4D00;
}

.bloque-error {
	background: #FCEBED;
	border-color: #B00020;
}

.bloque-resultado {
	background: #EAF6EE;
	border-color: #1F6B3A;
}

/* ==========================================================================
   Página institucional (Sobre mí, Contacto, Privacidad)
   ========================================================================== */

.pagina-institucional {
	max-width: var(--content-width);
	padding-top: 80px;
	padding-bottom: 80px;
}

.pagina-institucional h1 {
	font-size: 3rem;
	font-weight: 800;
}

@media (max-width: 600px) {
	.pagina-institucional h1 {
		font-size: 2.25rem;
	}
}

/* ==========================================================================
   Formulario de contacto
   ========================================================================== */

.formulario-contacto p {
	margin: 0 0 20px;
}

.formulario-contacto label {
	display: block;
	margin-bottom: 8px;
	font-size: 1rem;
	font-weight: 600;
}

.formulario-contacto input[type="text"],
.formulario-contacto input[type="email"],
.formulario-contacto textarea {
	width: 100%;
	min-height: 48px;
	padding: 14px;
	border: 2px solid var(--color-border-strong);
	border-radius: 6px;
	font-family: var(--font-sans);
	font-size: 17px;
	color: var(--color-text);
	background: #FFFFFF;
}

.formulario-contacto textarea {
	min-height: 220px;
	resize: vertical;
}

.formulario-contacto .wpcf7-list-item {
	margin-left: 0;
}

/* ==========================================================================
   Página 404
   ========================================================================== */

.pagina-404 {
	max-width: 700px;
	padding: 80px 0;
}

.pagina-404 h1 {
	font-size: 3rem;
}

.pagina-404 .buscador-tutoriales,
.pagina-404 .formulario-buscar {
	max-width: 100%;
}

.pagina-404__enlaces {
	display: flex;
	gap: 24px;
	margin-top: 24px;
}